890991801

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{4517}}^1$

素因数の和:4662

約数の個数: 48

約数和(自身を含む): 1533662208

約数和(自身を除く): 642670407

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 101, 217, 279, 303, 651, 707, 909, 1953, 2121, 3131, 4517, 6363, 9393, 13551, 21917, 28179, 31619, 40653, 65751, 94857, 140027, 197253, 284571, 420081, 456217, 980189, 1260243, 1368651, 2940567, 3193519, 4105953, 8821701, 9580557, 14142727, 28741671, 42428181, 98999089, 127284543, 296997267, 890991801]

約数ペア:

[(1, 890991801), (3, 296997267), (7, 127284543), (9, 98999089), (21, 42428181), (31, 28741671), (63, 14142727), (93, 9580557), (101, 8821701), (217, 4105953), (279, 3193519), (303, 2940567), (651, 1368651), (707, 1260243), (909, 980189), (1953, 456217), (2121, 420081), (3131, 284571), (4517, 197253), (6363, 140027), (9393, 94857), (13551, 65751), (21917, 40653), (28179, 31619)]